Home / 197,738.61-272,903.26-111,701.22

Finding the Fourth Proportional to 197,738.61, 272,903.26 and 111,701.22

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Solution

The fourth proportional to 197,738.61, 272,903.26 and 111,701.22 is: 154,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,738.61 : 272,903.26 = 111,701.22 : x
  2. Step 2: Convert to fraction form
    197,738.61/272,903.26 = 111,701.22/x
  3. Step 3: Cross multiply
    197,738.61x = 272,903.26 × 111,701.22
  4. Step 4: Simplify right side
    197,738.61x = 30,483,626,019.00
  5. Step 5: Solve for x
    x = 30,483,626,019.00/197,738.61
  6. Step 6: Final answer
    x = 154,161.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.